qt4: preferences_widget: Adding some 'const'

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/components/preferences_widgets.cpp

@@ -560,7 +560,7 @@ void StringListConfigControl::finish(module_config_t *p_module_config, bool byca
         label->setBuddy( combo );
 }
 
-QString StringListConfigControl::getValue()
+QString StringListConfigControl::getValue() const
 {
     return combo->itemData( combo->currentIndex() ).toString();
 }
@@ -685,7 +685,7 @@ void ModuleConfigControl::finish( bool bycat )
         label->setBuddy( combo );
 }
 
-QString ModuleConfigControl::getValue()
+QString ModuleConfigControl::getValue() const
 {
     return combo->itemData( combo->currentIndex() ).toString();
 }
@@ -803,7 +803,7 @@ void ModuleListConfigControl::finish( bool bycat )
 }
 #undef CHECKBOX_LISTS
 
-QString ModuleListConfigControl::getValue()
+QString ModuleListConfigControl::getValue() const
 {
     assert( text );
     return text->text();
@@ -909,7 +909,7 @@ void IntegerConfigControl::finish()
         label->setBuddy( spin );
 }
 
-int IntegerConfigControl::getValue()
+int IntegerConfigControl::getValue() const
 {
     return spin->value();
 }
@@ -960,7 +960,7 @@ IntegerRangeSliderConfigControl::IntegerRangeSliderConfigControl(
         label->setBuddy( slider );
 }
 
-int IntegerRangeSliderConfigControl::getValue()
+int IntegerRangeSliderConfigControl::getValue() const
 {
         return slider->value();
 }
@@ -1081,7 +1081,7 @@ void IntegerListConfigControl::actionRequested( int i_action )
     }
 }
 
-int IntegerListConfigControl::getValue()
+int IntegerListConfigControl::getValue() const
 {
     return combo->itemData( combo->currentIndex() ).toInt();
 }
@@ -1127,7 +1127,7 @@ void BoolConfigControl::finish()
         checkbox->setToolTip( formatTooltip(qtr(p_item->psz_longtext)) );
 }
 
-int BoolConfigControl::getValue()
+int BoolConfigControl::getValue() const
 {
     return checkbox->isChecked();
 }
@@ -1191,7 +1191,7 @@ void FloatConfigControl::finish()
         label->setBuddy( spin );
 }
 
-float FloatConfigControl::getValue()
+float FloatConfigControl::getValue() const
 {
     return (float)spin->value();
 }

modules/gui/qt4/components/preferences_widgets.hpp

@@ -91,10 +91,10 @@ public:
         widget = NULL;
     }
     virtual ~ConfigControl() {};
-    virtual int getType() = 0;
-    const char * getName() { return  p_item->psz_name; }
-    QWidget *getWidget() { assert( widget ); return widget; }
-    bool isAdvanced() { return p_item->b_advanced; }
+    virtual int getType() const = 0;
+    const char * getName() const { return  p_item->psz_name; }
+    QWidget *getWidget() const { assert( widget ); return widget; }
+    bool isAdvanced() const { return p_item->b_advanced; }
     virtual void hide() { getWidget()->hide(); };
     virtual void show() { getWidget()->show(); };
 
@@ -128,8 +128,8 @@ public:
     VIntConfigControl( vlc_object_t *a, module_config_t *b ) :
                 ConfigControl(a,b) {};
     virtual ~VIntConfigControl() {};
-    virtual int getValue() = 0;
-    virtual int getType() { return CONFIG_ITEM_INTEGER; }
+    virtual int getValue() const = 0;
+    virtual int getType() const { return CONFIG_ITEM_INTEGER; }
 };
 
 class IntegerConfigControl : public VIntConfigControl
@@ -143,9 +143,9 @@ public:
     IntegerConfigControl( vlc_object_t *, module_config_t *,
                           QLabel*, QSlider* );
     virtual ~IntegerConfigControl() {};
-    virtual int getValue();
-    virtual void show() { spin->show(); if( label ) label->show(); }
-    virtual void hide() { spin->hide(); if( label ) label->hide(); }
+    virtual int getValue() const;
+    virtual void show() const { spin->show(); if( label ) label->show(); }
+    virtual void hide() const { spin->hide(); if( label ) label->hide(); }
 
 protected:
     QSpinBox *spin;
@@ -171,7 +171,7 @@ public:
     IntegerRangeSliderConfigControl( vlc_object_t *, module_config_t *,
                                 QLabel *, QSlider * );
     virtual ~IntegerRangeSliderConfigControl() {};
-    virtual int getValue();
+    virtual int getValue() const;
 protected:
          QSlider *slider;
 private:
@@ -188,7 +188,7 @@ public:
     IntegerListConfigControl( vlc_object_t *, module_config_t *, QLabel *,
                               QComboBox*, bool );
     virtual ~IntegerListConfigControl() {};
-    virtual int getValue();
+    virtual int getValue() const;
     virtual void hide() { combo->hide(); if( label ) label->hide(); }
     virtual void show() { combo->show(); if( label ) label->show(); }
 private:
@@ -208,10 +208,10 @@ public:
     BoolConfigControl( vlc_object_t *, module_config_t *,
                        QLabel *, QAbstractButton*, bool );
     virtual ~BoolConfigControl() {};
-    virtual int getValue();
+    virtual int getValue() const;
     virtual void show() { checkbox->show(); }
     virtual void hide() { checkbox->hide(); }
-    virtual int getType() { return CONFIG_ITEM_BOOL; }
+    virtual int getType() const { return CONFIG_ITEM_BOOL; }
 private:
     QAbstractButton *checkbox;
     void finish();
@@ -229,8 +229,8 @@ public:
     VFloatConfigControl( vlc_object_t *a, module_config_t *b ) :
                 ConfigControl(a,b) {};
     virtual ~VFloatConfigControl() {};
-    virtual float getValue() = 0;
-    virtual int getType() { return CONFIG_ITEM_FLOAT; }
+    virtual float getValue() const = 0;
+    virtual int getType() const { return CONFIG_ITEM_FLOAT; }
 };
 
 class FloatConfigControl : public VFloatConfigControl
@@ -242,7 +242,7 @@ public:
     FloatConfigControl( vlc_object_t *, module_config_t *,
                         QLabel*, QDoubleSpinBox* );
     virtual ~FloatConfigControl() {};
-    virtual float getValue();
+    virtual float getValue() const;
     virtual void show() { spin->show(); if( label ) label->show(); }
     virtual void hide() { spin->hide(); if( label ) label->hide(); }
 
@@ -278,8 +278,8 @@ public:
     VStringConfigControl( vlc_object_t *a, module_config_t *b ) :
                 ConfigControl(a,b) {};
     virtual ~VStringConfigControl() {};
-    virtual QString getValue() = 0;
-    virtual int getType() { return CONFIG_ITEM_STRING; }
+    virtual QString getValue() const = 0;
+    virtual int getType() const { return CONFIG_ITEM_STRING; }
 };
 
 class StringConfigControl : public VStringConfigControl
@@ -291,7 +291,7 @@ public:
     StringConfigControl( vlc_object_t *, module_config_t *, QLabel *,
                          QLineEdit*,  bool pwd );
     virtual ~StringConfigControl() {};
-    virtual QString getValue() { return text->text(); };
+    virtual QString getValue() const { return text->text(); };
     virtual void show() { text->show(); if( label ) label->show(); }
     virtual void hide() { text->hide(); if( label ) label->hide(); }
 private:
@@ -309,7 +309,7 @@ public:
     FileConfigControl( vlc_object_t *, module_config_t *, QLabel *,
                        QLineEdit *, QPushButton * );
     virtual ~FileConfigControl() {};
-    virtual QString getValue() { return text->text(); };
+    virtual QString getValue() const { return text->text(); };
     virtual void show() { text->show(); if( label ) label->show(); browse->show(); }
     virtual void hide() { text->hide(); if( label ) label->hide(); browse->hide(); }
 public slots:
@@ -343,7 +343,7 @@ public:
     FontConfigControl( vlc_object_t *, module_config_t *, QLabel *,
                        QFontComboBox *);
     virtual ~FontConfigControl() {};
-    virtual QString getValue(){ return font->currentFont().family(); }
+    virtual QString getValue() const { return font->currentFont().family(); }
 protected:
     QLabel *label;
     QFontComboBox *font;
@@ -357,7 +357,7 @@ public:
     ModuleConfigControl( vlc_object_t *, module_config_t *, QLabel *,
                          QComboBox*, bool );
     virtual ~ModuleConfigControl() {};
-    virtual QString getValue();
+    virtual QString getValue() const;
     virtual void hide() { combo->hide(); if( label ) label->hide(); }
     virtual void show() { combo->show(); if( label ) label->show(); }
 private:
@@ -381,7 +381,7 @@ public:
 //    ModuleListConfigControl( vlc_object_t *, module_config_t *, QLabel *,
 //                         QComboBox*, bool );
     virtual ~ModuleListConfigControl();
-    virtual QString getValue();
+    virtual QString getValue() const;
     virtual void hide();
     virtual void show();
 public slots:
@@ -402,7 +402,7 @@ public:
     StringListConfigControl( vlc_object_t *, module_config_t *, QLabel *,
                              QComboBox*, bool );
     virtual ~StringListConfigControl() {};
-    virtual QString getValue();
+    virtual QString getValue() const;
     virtual void hide() { combo->hide(); if( label ) label->hide(); }
     virtual void show() { combo->show(); if( label ) label->show(); }
     QComboBox *combo;
@@ -467,7 +467,7 @@ class KeySelectorControl : public ConfigControl
 public:
     KeySelectorControl( vlc_object_t *, module_config_t *, QWidget *,
                         QGridLayout*, int& );
-    virtual int getType() { return CONFIG_ITEM_KEY; }
+    virtual int getType() const { return CONFIG_ITEM_KEY; }
     virtual ~KeySelectorControl() {};
     virtual void hide() { table->hide(); if( label ) label->hide(); }
     virtual void show() { table->show(); if( label ) label->show(); }